VT-737sp vs Pro Tools Carbon Pre
The Pro Tools Carbon Pre costs about $104 more than the VT-737sp and buys you 14 more I/O, plus TS 1/4" and TOSLINK (Optical). It takes 1 rack unit less, too.
Avalon
VT-737sp| Spec | VT-737sp | Pro Tools Carbon Pre |
|---|---|---|
| Rack space | 2U | 1U |
| Weight | 22.0 lbs | 11.0 lbs |
| Power draw | Passive | Passive |
| Depth | 305 mm | 342.9 mm |
| I/O count | 7 | 21 |
| Price | ~$2,895 | ~$2,999 |
Highlighted where one is plainly lighter, smaller, cheaper or draws less. I/O count is left unmarked on purpose — more connectors you don't need is weight, cost and a bigger case.
Connectors only one of them has
VT-737sp
- Quarter-inch jack (contacts unspecified)
- 2-contact terminal strip
- XLR Male
- XLR Female
Pro Tools Carbon Pre
- TS 1/4"
- TOSLINK (Optical)
- BNC
- RJ45 (Ethernet)
- DB25
- Combo XLR/TRS
Settle it in your own rack
Specs decide less than fit does. Drop either one into your rig and see the real answer — what space is left, what the circuit draws, and whether every cable it needs actually lands somewhere.
Open the rack plannerTry 15 minutes without an account. Both units are in the catalog.

